# SDR AALA2020052639002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2020
- Submitted: May 26, 2020
- Operation: Air carrier
- Aircraft: [N8027D](https://openairdocs.org/aircraft/N8027D), registered now
- Make and model: Airbus A319-115
- Registry model: [Airbus A319-115](https://openairdocs.org/model/airbus-a319-115) (OpenAirDocs)
- Aircraft serial: 6437
- Aircraft time: 15,352 hours, 6,894 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Condition: Faulty
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2020052639002

## Discrepancy

AIRCRAFT NOT GROUNDED - CIDS (CABIN INTERCOMMUNICATION DATA SYSTEM) 1 TEST, BATTERY / EPSU (EMERGENCY POWER SUPPLY UNIT) 13WL AFT L CLASS 1 FAULT. REMOVED AND REPLACED EPSU 13WL BATTERY PER AMM 33-51-38, SYSTEM TEST PERFORMED OKAY, CIDS 1 TEST PASSED.

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